Subject Code & Name: ME25C11 – Applied Thermodynamics
Regulation: R-2025
Semester: III (Third Semester)
Branch: B.E. Aeronautical Engineering (Aero) / B.E. Automobile Engineering (Auto) / B.E. Manufacturing Engineering (Mfg) / B.E. Industrial Engineering and Management (IEM) / B.E. Marine Engineering (Marine) / B.E. Mechatronics Engineering (Mechatronics) / B.E. Mechanical and Automation Engineering (MechAuto) / B.E. Robotics and Automation (Robotics) / B.E. Aerospace Engineering (Aerospace) / B.E. Mechanical Engineering (Automobile) (Mech(Auto)) / B.E. Mechanical Engineering (Smart Manufacturing) (Mech(Smart))
Credits / L-T-P: 4 Credits | L-T-P: 3-1-0
Course Objectives
- The course focuses on understanding and applying thermodynamic principles in engineering systems, with emphasis on the analysis, evaluation, and comparison of air standard cycles, steam power cycles, refrigeration systems, and heat transfer processes.
Full Unit-wise Syllabus
Unit I – Basic Thermodynamics
Systems, closed, open and isolated. Property, state, path and process, quasi-static process, Zeroth Law.
Activities: Observe and document thermodynamic systems in daily life (e.g., pressure cooker, air compressor, refrigerator) and classify them as open/closed systems with justification.
Unit II – First and Second Law of Thermodynamics
Heat and work transfer in flow and non-flow processes, Steady flow energy equation - Engineering Applications, Second law, Kelvin-Planck statement, Clausius statement, Concept of Entropy, Clausius inequality, Entropy changes in non- flow processes. Available and Unavailable Energy.
Activities: Conduct an energy audit of a simple thermal device such as an electric kettle or water heater using the First Law of Thermodynamics. Study entropy generation in daily-life irreversible processes such as mixing hot and cold water or ice melting. Analyze a steam turbine/compressor/pump using the Steady Flow Energy Equation and prepare a performance report.
Unit III – Air Standard Cycles
Carnot cycle, Otto, Diesel, Dual combustion and Brayton cycles. Air standard efficiency. Mean effective pressure. Comparison of cycles
Activities: Plot P–V and T–S diagrams for Otto, Diesel, Dual, and Brayton cycles using simulation software or graph sheets. Compare thermal efficiencies of different air standard cycles for varying compression ratios.
Unit IV – Properties Steam and Vapour Power Cycle
Formation of steam and its thermodynamic properties, p-v, p-T, T-v, T-s, h-s diagram. p-v-T surface Properties of steam, Dryness fraction, Quality of steam-by-steam tables and Mollier chart – Rankine cycle, Rankine cycle Improvements- Reheat, Regenerative Cycle
Activities: Compare the efficiency improvement obtained using reheating and regeneration in Rankine cycles. Visit a thermal power plant (virtual/physical) and identify major Rankine cycle components.
Unit V – Refrigeration
Principles of refrigeration, Vapour compression refrigeration, Performance Calculations, Working principle of Vapour absorption cycle, comparison, sustainable refrigerants.
Activities: Study of the working of domestic refrigerators and air conditioners and identify major VCR system components. Analyze eco-friendly refrigerants and prepare a report on environmental impacts (ODP/GWP).
Unit VI – Heat Transfer
Modes of heat transfer, Heat conduction - composite wall, Heat conduction through hollow and composite cylinders, spheres. Basics of Convective heat transfer. Fundamentals of Radiative heat transfer, heat-exchangers. LMTD for parallel and counter flow configuration.
Activities: Measure temperature variation across composite walls using simple experimental setups. Analyze cooling mechanisms in automobile radiators or electronic devices. Perform a case study on heat exchangers and calculate LMTD for parallel and counter flow systems.
Course Outcomes (COs)
- CO1: Explain the basic principles of thermodynamics and energy interactions in engineering systems.
- CO2: Apply thermodynamic laws to analyze air standard cycles and steam power cycles.
- CO3: Analyse refrigeration, air conditioning systems and heat transfer processes including conduction, convection, and radiation.
- CO4: Demonstrate problem solving skills in real world thermodynamic and heat transfer applications including performance evaluation and design calculations.
Assessment Pattern (Quick Note)
- Weightage: Continuous Assessment 40% | End Semester Examinations 60%
- Internal methodology: Quiz - 10%, Assignments - 20%, Review of GATE/ESE questions - 20% and Internal Examinations - 50%
Source: Official Anna University – B.E. Aeronautical Engineering R-2025 Syllabus
Last Updated: September 2026
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